Three-dimensional objects and their formation

Abstract

The present disclosure provides three-dimensional (3D) methods, apparatuses, software (e.g., non-transitory computer readable medium), and systems for the formation of at least one desired 3D object; comprising use of a geometric model, a physics based model, one or more markers, one or more modes, or any combination thereof. The disclosure provides reduction of deformation that may be caused by the forming process of the 3D object.

1 .- 30 . (canceled) 
     
     
         31 . A method for generating a three-dimensional object, comprising: (a) generating a physics model that employs a geometric model of the three-dimensional object; (b) computing a plurality of modes using the physics model, each of the plurality of modes having an associated energy, each of the plurality of modes representing a plausible alteration component of the three-dimensional object during the generating; and (c) generating the three-dimensional object while employing a corrected geometric model that is generated using at least a fraction of the plurality of modes. 
     
     
         32 . The method of  claim 31 , wherein the generating comprises printing the three-dimensional object using three-dimensional printing. 
     
     
         33 . The method of  claim 31 , further comprising identifying one or more prominent modes having associated energies of at most a predetermined threshold, wherein the at least a fraction of the plurality of modes comprises the prominent modes. 
     
     
         34 . The method of  claim 33 , wherein identifying the one or more prominent modes comprises filtering out modes having associated energies that are higher than the predetermined threshold. 
     
     
         35 . The method of  claim 31 , wherein computing the plurality of modes comprises using one or more singular value decomposition calculations. 
     
     
         36 . The method of  claim 31 , further comprises generating a virtual image of a test object that is a generated three-dimensional object. 
     
     
         37 . The method of  claim 36 , wherein the generated three-dimensional object employs the corrected geometric model that is generated using the at least a fraction of the plurality of modes. 
     
     
         38 . The method of  claim 36 , wherein the geometric model is generated by comparing the at least a fraction of the plurality of modes with the virtual image. 
     
     
         39 . The method of  claim 31 , wherein the at least a fraction of the plurality of modes correspond to one or more thermo-mechanical modes. 
     
     
         40 . The method of  claim 31 , wherein the plurality of modes are computed employing at least one estimated alteration of the three-dimensional object. 
     
     
         41 . The method of  claim 40 , wherein the at least one estimated alteration employs an estimated mechanical alteration in the three-dimensional object. 
     
     
         42 . The method of  claim 31 , further comprising adjusting the physics model employing comparing the at least a fraction of the plurality of modes with the virtual image. 
     
     
         43 . The method of  claim 36 , wherein the test object corresponds to a requested three-dimensional object. 
     
     
         44 . The method of  claim 31 , wherein (a), (b) or any combination thereof, occur during (c). 
     
     
         45 . The method of  claim 31 , wherein one or more modes of the plurality of modes materialize as a result from an elastic response to inelastic forcing during the generating of the three-dimensional object. 
     
     
         46 . The method of  claim 31 , wherein the physics model comprises a nonlinear stress and/or strain component. 
     
     
         47 . The method of  claim 31 , wherein the physics model comprises calculation of an inelastic stress/strain in the three-dimensional object following the generating of the three-dimensional object. 
     
     
         48 . The method of  claim 36 , wherein the test object manifests an inelastic response in the three-dimensional object. 
     
     
         49 . A system for forming a three-dimensional object, the system comprising at least one controller configured to direct: (a) generating a physics model that employs a geometric model of the three-dimensional object; (b) computing a plurality of modes using the physics model, each of the plurality of modes having an associated energy, each of the plurality of modes representing a plausible alteration component of the three-dimensional object during the forming; and (c) generating the three-dimensional object while employing a corrected geometric model that is generated using at least a fraction of the plurality of modes. 
     
     
         50 . The system of  claim 49 , wherein forming the three-dimensional object comprises printing the three-dimensional object using three-dimensional printing. 
     
     
         51 . The system of  claim 49 , wherein the at least one controller is further configured to direct identifying one or more prominent modes having associated energies of at most a predetermined threshold, wherein the at least a fraction of the plurality of modes comprise the one or more prominent modes. 
     
     
         52 . The system of  claim 51 , wherein identifying the one or more prominent modes comprises filtering out modes having associated energies that are higher than the predetermined threshold. 
     
     
         53 . The system of  claim 49 , wherein the system further comprises a chamber configured to enclose at least a portion of the three-dimensional object during forming, wherein the at least one controller is configured to monitor and/or control a progress the forming of the three-dimensional object in the chamber. 
     
     
         54 . The system of  claim 49 , wherein the system further comprises at least one detector that is operationally coupled to the at least one controller, the at least one detector configured to detect as least one characteristic of the forming. 
     
     
         55 . The system of  claim 54 , wherein the at least one controller is configured to control the at least one detector and/or control one or more process parameters that are present upon detecting by the at least one detector. 
     
     
         56 . The system of  claim 54 , wherein the at least one detector is configured to detect a temperature during forming of the three-dimensional object, wherein the at least one controller is configured to control the detecting. 
     
     
         57 . The system of  claim 56 , wherein the temperature corresponds to a temperature of the three-dimensional object. 
     
     
         58 . The system of  claim 49 , wherein employing a corrected geometric model that is generated using the at least a fraction of the plurality of modes comprises adjusting the physics model employing comparing the at least a fraction of the plurality of modes with a virtual image of a test object. 
     
     
         59 . The system of  claim 49 , wherein the test object corresponds to a requested three-dimensional object. 
     
     
         60 . The system of  claim 49 , wherein the physics model comprises calculation of an inelastic stress/strain in the three-dimensional object following the generating of the three-dimensional object.